(pick robot1 ball1 room4 lgripper1)
(pick robot1 ball2 room4 rgripper1)
(move robot1 room4 room2)
(drop robot1 ball1 room2 lgripper1)
(pick robot1 ball3 room2 lgripper1)
(move robot1 room2 room3)
(drop robot1 ball3 room3 lgripper1)
(drop robot1 ball2 room3 rgripper1)
; cost = 8 (unit cost)
